期刊
IEEE TRANSACTIONS ON MULTIMEDIA
卷 23, 期 -, 页码 2208-2221出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TMM.2021.3066050
关键词
Streaming media; Delays; Servers; Resource management; Optimization; Quality of service; Video coding; Edge-cloud collaboration; hybrid human-artificial intelligence; statistical delay guarantee; video caching and delivery; video coding rate
资金
- IEEE ICC 2021
- National Natural Science Foundation of China [61901078, 61771082, 61871062]
- Science, Technology Research Program of Chongqing Municipal Education Commission [KJQN201900609, KJQN202000626]
- Natural Science Foundation of Chongqing [cstc2020jcyj-zdxmX0024]
- University Innovation Research Group of Chongqing [CXQT20017]
This paper investigates a video service enhancement strategy under an edge-cloud collaboration framework, aiming to ensure user fairness in terms of video coding rate while improving user hit rate for video caching through a hybrid human-artificial intelligence approach.
In this paper, a video service enhancement strategy is investigated under an edge-cloud collaboration framework, where video caching and delivery decisions are made at the cloud and edge respectively. We aim to guarantee the user fairness in terms of video coding rate under statistical delay constraint and edge caching capacity constraint. A hybrid human-artificial intelligence approach is developed to improve the user hit rate for video caching. Specifically, individual user interest is first characterized by merging factorization machine (FM) model and multi-layer perceptron (MLP) model, where both low-order and high-order features can be well learned simultaneously. Thereafter, a social aware similarity model is constructed to transfer individual user interest to group interest, based on which, videos can be selected to cache at the network edge. Furthermore, a dual bisection exploration scheme is proposed to optimize wireless resource allocation and video coding rate. The effectiveness of the proposed video caching and delivery scheme is finally validated by extensive experiments with a real-world dataset.
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